Stanhope Alexander Forbes (1857-1947) painted scenes in Brittany and elsewhere in England, but his focus was Cornwall, at Britain's western tip. A fairly lengthy Wikipedia entry for Forbes is here. I wrote about the painting shown above here. It is perhaps his best-known work and the excellent brushwork is best appreciated in person, though you normally need to visit the Plymouth City Museum and Art Gallery to view it.
Below are some other Cornish scenes painted by Forbes.
This indoor Cornish painting was part of the original Tate collection.
More of a sketch than a finished work, thought Forbes signed it.
Forbes did much plein air painting, but this had to be mostly or entirely studio-made.
Not long ago, local folks helped keep this painting from being removed from Cornwall (some details here).
A late painting done in wartime: note several British solders along the street.